LOCATION BROADWATER NEEstablished Series
TAXONOMIC CLASS: Sandy, mixed, mesic Aridic Ustifluvents
TYPICAL PEDON: Broadwater loamy sand, with a slope of 1 percent, on a channeled flood plain, in rangeland. (Colors are for dry soil unless otherwise stated.)
A--0 to 3 inches; light brownish gray (10YR 6/2) loamy sand, brown (10YR 4/3) moist; weak fine granular structure; soft, very friable; 3 percent gravel by volume, strong effervescence; slightly alkaline; clear smooth boundary. (3 to 7 inches thick)
C1--3 to 9 inches; pale brown (10YR 6/3) loamy sand, brown (10YR 5/3) moist; single grain, soft, very friable; thin strata of loamy very fine sand; 3 percent gravel by volume; strong effervescence, slightly alkaline; abrupt smooth boundary. (0 to 26 inches thick)
2C2--9 to 32 inches; pale brown (10YR 6/3) gravelly coarse sand, brown (10YR 5/3) moist; single grain; loose; thin strata of loamy very fine sand; 18 percent gravel by volume; strong effervescence; slightly alkaline; abrupt smooth boundary.
2C3--32 to 60 inches; very pale brown (10YR 7/3) gravelly coarse sand, pale brown (10YR 6/3) moist; single grain; loose; thin strata of coarse sand; 31 percent gravel by volume; strong effervescence, slightly alkaline.
TYPE LOCATION: Garden County, Nebraska; about 3.5 miles south and .5 miles west of Oshkosh, Nebraska; 1600 feet south and 900 feet west of the northeast corner of section 21, T. 16 N., R. 44 W. Barn Butte topographic quadrangle; latitude 41 degrees, 20 minutes, 50 seconds North and Longitude 102 degrees, 21 minutes, 45 seconds West.
RANGE IN CHARACTERISTICS:
Mean annual soil temperature: 49 to 55 degrees F
Depth to secondary calcium carbonate: 0 to 80 inches
Particle-size control section: sandy
A horizon:
Hue: 10YR
Value: 5 or 6 and 3 through 5 moist
Chroma: 2 through 4
Texture: loamy sand, loamy fine sand
Clay content: 3 to 10 percent
Rock fragments: Coarse fragments consisting of sandstone and granitic gravel range from 2 to 5 percent by volume
Reaction: neutral or slightly alkaline
C horizon:
Hue: 10YR
Value: value of 5 through 7, 4 through 6 moist
Chroma: 2 through 4
Texture: loamy sand, gravelly sand or sand with strata of finer textured material, Occasionally strata with gravels.
Clay content: 3 to 10 percent
Rock fragments: Gravel ranges from 2 to 20 percent by volume
Calcium carbonate equivalent: 0 to 10 percent
Reaction: neutral or slightly alkaline
2C horizon:
Hue: 10YR
Value: value of 5 through 7, 4 through 6 moist
Chroma: 2 through 4
Texture: coarse sand or gravelly coarse sand
Rock fragments: Gravel content is typically 15 to 35 percent but ranges from 5 to 35 percent by volume
Clay content: 0 to 3 percent
Calcium carbonate equivalent: 0 to 10 percent
Reaction: neutral or slightly alkaline
COMPETING SERIES:
Happyditch: have less than 5 percent gravel by volume throughout the series control section
Levante: formed in alluvium derived from granite, gneiss, schist and granitic sandstone
Pathfinder: have less than 5 percent gravel by volume throughout the series control section
GEOGRAPHIC SETTING:
Parent material: sandy and gravelly alluvium
Landform: flood plains commonly dissected by shallow or braided intermittent drainage channels
Slopes: 0 to 2 percent
Elevation: 3500 to 4500 feet
Mean annual temperature: 47 to 53 degrees F
Mean annual precipitation: 14 to 18 inches
Frost-free period: 120 to 140 days.
GEOGRAPHICALLY ASSOCIATED SOILS:
Alice: have mollic epipedons and are coarse loamy
Bayard: have mollic epipedons, are coarse loamy and are slightly higher on the landscape
Chappell: have mollic epipedons and are coarse loamy
Scoville: contain less gravel and are higher on the landscape
Valent: contain less gravel and are higher on the landscape
DRAINAGE AND PERMEABILITY:
Drainage: excessive
Permeability: rapid over very rapid permeability
USE AND VEGETATION: rangeland, native grass
DISTRIBUTION AND EXTENT: Western Nebraska, eastern Wyoming and Colorado. These soils are of small extent.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Denver, Colorado
SERIES ESTABLISHED: Garden County, Nebraska 1994.
REMARKS:
Diagnostic horizons and features recognized in this pedon:
Ochric epipedon: 0 to 3 inches (A horizon)
fluventic properties: thin strata of loamy very fine sand, 3 to 32 inches in depth (C1 and C2 horizons)
This soil was previously mapped with the Bankard series. It contains more gravel throughout the series control section than the Bankard series.